/* --- Header & Navigation --- */
site-header {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
}

.site-header {
  position: relative;
  width: 100%;
  padding: 1.8rem clamp(24px, 4.5vw, 64px) 1rem;
  box-sizing: border-box;
  overflow: visible;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}

/* Estado al hacer scroll */
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding-top: 1rem;
  padding-bottom: 0.6rem;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  position: relative;
}

/* Brand Logo (inca trabajo) */
.brand-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform var(--transition-normal);
}

.brand-logo-link:hover {
  transform: translateY(-2px);
}

.brand-logo-img {
  height: clamp(52px, 3.8vw, 68px);
  width: auto;
  object-fit: contain;
  display: block;
}

/* Floating Pill Navigation */
.nav-pill-wrapper {
  background: var(--bg-pill);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.03);
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  transition: all var(--transition-normal);
}

.nav-pill-wrapper:hover {
  box-shadow: 0 8px 28px rgba(18, 96, 204, 0.12);
}

.nav-links-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
}

.nav-link-item a {
  font-size: 0.92rem;
  font-weight: 500;
  color: #334155;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-pill);
  display: block;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link-item a:hover {
  color: var(--color-primary);
  background: rgba(18, 96, 204, 0.07);
}

.nav-link-item.active a {
  color: var(--color-primary);
  font-weight: 600;
  background: rgba(18, 96, 204, 0.09);
}

/* Partner Logos (Right Header) */
.partner-logos-wrapper {
  display: flex;
  align-items: center;
}

.partner-logo-link {
  display: flex;
  align-items: center;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.partner-logo-link:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.spe-partner-logo-img {
  height: clamp(65px, 5vw, 88px);
  width: auto;
  object-fit: contain;
  display: block;
}

/* Mobile Toggle */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-pill);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  z-index: 101;
}

.mobile-menu-btn span {
  width: 22px;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: var(--transition-normal);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Header Responsive */
@media (max-width: 1000px) {
  .mobile-menu-btn {
    display: flex;
    order: 3;
  }

  /* Two-row layout: logo top, SPE + hamburger bottom */
  .header-container {
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    padding-top: 2px;
    padding-bottom: 2px;
  }

  /* Logo inca trabajo: oculto en móvil (ya aparece en el hero) */
  .brand-logo-link {
    display: none;
  }

  .brand-logo-img {
    height: clamp(40px, 7vw, 56px);
  }

  /* Bottom row: SPE left, hamburger right */
  .partner-logos-wrapper {
    display: flex;
    order: 1;
    flex: 1;
    flex-shrink: 0;
  }

  .spe-partner-logo-img {
    height: clamp(48px, 10vw, 68px);
  }

  .mobile-menu-btn {
    order: 3;
    flex-shrink: 0;
  }

  .nav-pill-wrapper {
    position: absolute;
    top: 100%;
    left: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    order: 4;
    width: calc(100% - 48px);
    z-index: 200;
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  }

  .nav-pill-wrapper.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .nav-links-list {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .nav-link-item {
    width: 100%;
    text-align: center;
  }

  .nav-link-item a {
    padding: 0.8rem;
    font-size: 1.1rem;
  }
}


/* --- Action Buttons (CTAs) --- */
.btn-group {
  display: flex !important;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 50;
}

.btn {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.9rem;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-pill);
  transition: all var(--transition-normal);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  opacity: 1;
  visibility: visible;
}

/* Dark Navy Button (Empresas) */
.btn-navy {
  background-color: #2b4d7c;
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(43, 77, 124, 0.3);
}

.btn-navy:hover {
  background-color: #1f395e;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(43, 77, 124, 0.45);
}

/* Electric Blue Button (Egresados) */
.btn-electric {
  background-color: #1877f2;
  color: var(--color-white);
  box-shadow: 0 4px 18px rgba(24, 119, 242, 0.4);
}

.btn-electric:hover {
  background-color: #0d65db;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(24, 119, 242, 0.6);
}

.btn-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.25) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-25deg);
  transition: left 0.75s ease;
}

.btn:hover .btn-shine {
  left: 150%;
}